(3GdbhGYO GdYdejI dJMOjO GdGQHGM GdNGVYI ddVQjHI heOi NQhL GdJTQjYGJ GdeGdjI YdjgG (B/s - (3eMeO MeOi GdfTGQs; (3OdGhQ Ydis; (3LGeYI GdEScfOQjIs (3cdjI GdMbhbs ((3GdEScfOQjI(B:s (3cdjI GdMbhb(B-(3LGeYI GdEScfOQjI,s, 1957)
(3QSGFd fSNI efaQOIs
(3CWQhMI (B((3OcJhQGI(B)-(3LGeYI GdEScfOQjI(B-(3cdjI GdMbhb(B-(3bSe GdeGdjI GdYGeI hGdJTQjY GdVQjHj (B1957s
(3jTJed Ydi ZQLGYGJ HHdjhLQGajIs
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs; (3GdVQjHI s; (3QCS GdeGd GdYGeds; (3GdehGRfIs; (3GdJbdHGJ GdGbJUGOjIs; (3YdGL GdGbJUGO Gdbhejs; (3QSGFd LGeYjIs -- (3LGeYI GdEScfOQjIs -- (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs